<?php
/**
 * Created by PhpStorm.
 * User: zyark
 * Date: 2018/2/7
 * Time: 19:13
 */

namespace app\common\utils;


use Aliyun\DySDKLite\SignatureHelper;
use anerg\Alidayu\SmsGateWay;
use think\Loader;


Loader::import('alidayu.SignatureHelper');
class SmsUtils
{

    private $app_key = '';
    private $app_secret = '';
    private $signName = '';
    static private $instance;

    static public function getInstance(){
        if (!self::$instance instanceof self) {
            $alidayu = config('alidayu');
            self::$instance = new self($alidayu['app_key'], $alidayu['app_secret'], $alidayu['signature']);
        }
        return self::$instance;
    }

    public function __construct($app_key, $app_secret, $sign_name)
    {
        $this->app_key = $app_key;
        $this->app_secret = $app_secret;
        $this->signName = $sign_name;
    }

    public function send_code($mobile) {
        $code = rand(1000, 9999);
        $this->sendSms($mobile, $code, 'SMS_130790252');
        return $code;
    }


    public function sendSms($mobile, $code, $templateId){
        $params = array ();
        // *** 需用户填写部分 ***
        // fixme 必填: 请参阅 https://ak-console.aliyun.com/ 取得您的AK信息
        $accessKeyId = $this->app_key;
        $accessKeySecret = $this->app_secret;

        // fixme 必填: 短信接收号码
        $params["PhoneNumbers"] = $mobile;

        // fixme 必填: 短信签名，应严格按"签名名称"填写，请参考: https://dysms.console.aliyun.com/dysms.htm#/develop/sign
        $params["SignName"] = $this->signName;

        // fixme 必填: 短信模板Code，应严格按"模板CODE"填写, 请参考: https://dysms.console.aliyun.com/dysms.htm#/develop/template
        $params["TemplateCode"] = $templateId;

        // fixme 可选: 设置模板参数, 假如模板中存在变量需要替换则为必填项
        $params['TemplateParam'] = Array (
            "code" => $code,
        );

        // fixme 可选: 设置发送短信流水号
//        $params['OutId'] = "12345";

        // fixme 可选: 上行短信扩展码, 扩展码字段控制在7位或以下，无特殊需求用户请忽略此字段
//        $params['SmsUpExtendCode'] = "1234567";
        // *** 需用户填写部分结束, 以下代码若无必要无需更改 ***
        if(!empty($params["TemplateParam"]) && is_array($params["TemplateParam"])) {
            $params["TemplateParam"] = json_encode($params["TemplateParam"], JSON_UNESCAPED_UNICODE);
        }
        // 初始化SignatureHelper实例用于设置参数，签名以及发送请求
        $helper = new SignatureHelper();

        // 此处可能会抛出异常，注意catch
        $content = $helper->request(
            $accessKeyId,
            $accessKeySecret,
            "dysmsapi.aliyuncs.com",
            array_merge($params, array(
                "RegionId" => "cn-hangzhou",
                "Action" => "SendSms",
                "Version" => "2017-05-25",
            ))
        // fixme 选填: 启用https
        );
        return $content;
    }
}